Finding the Fourth Proportional to 246.24, 368.40 and 207.78
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Solution
The fourth proportional to 246.24, 368.40 and 207.78 is: 310.86
Step by Step Solution
- Step 1: Write the proportion equation
246.24 : 368.40 = 207.78 : x - Step 2: Convert to fraction form
246.24/368.40 = 207.78/x - Step 3: Cross multiply
246.24x = 368.40 × 207.78 - Step 4: Simplify right side
246.24x = 76,546.15 - Step 5: Solve for x
x = 76,546.15/246.24 - Step 6: Final answer
x = 310.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.